Ladies, why are we so aggressive with each other at the gym?

I just joined a different fighting gym with more for me to learn in terms of fighting. I have had a different partner for every class, and most of them other girls. Each one has done nothing but give me daggers and swing at me as hard as she can. It's a fundamentals class with no sparring. wtf is there problem, the dudes are not like this.
Ladies, why are we so aggressive with each other at the gym?
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